CN110500057A - A kind of two-tube rock core core drill of band inside spin - Google Patents
A kind of two-tube rock core core drill of band inside spin Download PDFInfo
- Publication number
- CN110500057A CN110500057A CN201910662944.8A CN201910662944A CN110500057A CN 110500057 A CN110500057 A CN 110500057A CN 201910662944 A CN201910662944 A CN 201910662944A CN 110500057 A CN110500057 A CN 110500057A
- Authority
- CN
- China
- Prior art keywords
- tube
- drill bit
- inner tube
- outer tube
- rock core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011435 rock Substances 0.000 title claims abstract description 93
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 16
- 230000000903 blocking effect Effects 0.000 abstract description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 4
- 239000011707 mineral Substances 0.000 abstract description 4
- 238000011010 flushing procedure Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 229940059082 douche Drugs 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/02—Core bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/18—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being specially adapted for operation under water
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to mineral resources to acquire field, more particularly to a kind of two-tube rock core core drill of band inside spin comprising connector, outer tube, transmission baffle, inner tube and drill bit, wherein connector is in a tubular form；Outer tube is docked with connector；Transmission baffle is set in outer tube and is arranged close to connector；Inner tube is sheathed in outer tube by transmission baffle and inner and outer tubes are relatively rotatable to each other, and spirally-guided item is provided on the inner surface of inner tube；Drill bit is in a tubular form and abutting joint is on the free end of outer tube, and drill bit blocks and offers the drain hole for being connected to annular chamber and external environment on the annular chamber between outer tube and inner tube and drill bit.Also, it is driven the deflector hole of the inside and annular chamber that offer connection connector on baffle, is driven the drainage hole of the inside and external environment that are also provided with connection inner tube on baffle.The spirally-guided item of inner tube has upward conveying capacity to rock core, to efficiently solve the problems, such as rock core blocking in drilling pipe.
Description
Technical field
The present invention relates to mineral resources to acquire field, more particularly to a kind of two-tube rock core core drill of band inside spin.
Background technique
Ocean is the huge treasure-house of the mankind, contains a large amount of resource, except hydrogen in seawater, oxygen, chlorine, sodium, magnesium, calcium, potassium,
Outside 80 multiple element such as gold, uranium, bromine, iodine, Deep Sea Minerals are also extremely abundant.Cobalt bearing crust is mainly distributed on 1000~
On the seamount of 3000m depth or the top and slope of tableland；The polymetallic sulfide of hydrothermal solution is mainly distributed on the work of depth of water 2600m
At the top of dynamic oceanic ridge.In the resource investigation of Deep Sea Minerals such as cobalt bearing crust and the polymetallic sulfide of hydrothermal solution, acquisition is needed to take
Sample.
In the loose frangible stratum drilling such as polymetallic sulfide of hydrothermal solution, when traditional single rotary double core barrel coring, pine
It dissipates broken rock core easily to get lodged in basket, easily causes rock core only to wear at drill bit once there is blocking, rock core can not be into
Enter inner tube, drill bit also easy to damage and its internal component.Traditional single rotary double core barrel is by circlip pinch off rock core when extracting rock core
Then rock core is extracted.And for loose and broken formation, circlip can not play its effect, also be easy by rock core blocking at circlip.
Summary of the invention
(1) technical problems to be solved
The main object of the present invention is to provide a kind of two-tube rock core core drill of band inside spin, it is intended to solve existing column drill
Has the problem of easy blocking.
(2) technical solution
In order to achieve the above object, the band two-tube rock core core drill of inside spin of the invention includes:
Connector, the connector is in a tubular form；
Outer tube, the outer tube are docked with the connector；
It is driven baffle, the transmission baffle is set in the outer tube and is arranged close to the connector；
Inner tube, said inner tube is sheathed in the outer tube by the transmission baffle and said inner tube and the outer tube energy
It is enough to relatively rotate, spirally-guided item is provided on the inner surface of said inner tube；And
Drill bit, the drill bit is in a tubular form and abutting joint is on the free end of the outer tube, and the drill bit blocks described outer
It manages and offers the drain hole for being connected to the annular chamber and external environment on the annular chamber between said inner tube and the drill bit；
Wherein, the deflector hole for being connected to the inside and the annular chamber of the connector, institute are offered on the transmission baffle
State the drainage hole of inside and external environment that connection said inner tube is also provided on transmission baffle.
Preferably, mounting ring and setting that the transmission baffle includes substrate, is set on the substrate one side
Planetary gear set in the mounting ring, the substrate are fixedly installed in the outer tube, and one end of said inner tube passes through institute
Planetary gear set rotational installation is stated in the mounting ring.
Preferably, the planetary gear set includes ring gear, the sun gear being coaxially disposed with the ring gear, rotation peace
It is set to loaded on the planet carrier on the substrate and by planet carrier multiple between the ring gear and the sun gear
Planetary gear, the planetary gear are engaged with the ring gear, the sun gear respectively, and the ring gear is fixedly installed in institute
It states in mounting ring, said inner tube is fixedly installed on the sun gear.
Preferably, the edge of the substrate has diversion trench, and the diversion trench cooperatively forms described lead with the outer tube
Discharge orifice；
And/or the quantity of the drainage hole is multiple, and multiple drainage holes are spaced apart in the mounting ring,
The intercommunicating pore of connection corresponding with the drainage hole is offered on the outer tube.
Preferably, the internal diameter of the spirally-guided item is greater than or equal to the internal diameter of the drill bit.
Preferably, reamer is provided on the outer surface of the outer tube, the drill bit is installed on institute by the reamer
It states on outer tube.
Preferably, the quantity of the drain hole is multiple, and multiple drain holes are along circumferentially-spaced point of the drill bit
It is distributed in the tube wall of the drill bit；
And/or the drain hole includes Drainage Section and diversion canal, the axis of the extending direction of the Drainage Section and the drill bit
It is distributed in the free end face of the drill bit to parallel and the connection annular chamber and the diversion canal, the diversion canal and along described
The outer surface for extending radially to the drill bit of drill bit.
In addition, the present invention also provides a kind of two-tube rock core core drills of band inside spin comprising:
Connector, the connector is in a tubular form；
Outer tube, the outer tube are docked with the connector；
Fixed baffle, the fixed baffle are fixedly installed in the outer tube and are arranged close to the connector；
Inner tube, said inner tube are fixedly installed on the fixed baffle and are sheathed in the outer tube, said inner tube
Spirally-guided item is provided on inner surface；And
Drill bit, the drill bit is in a tubular form and abutting joint is on the free end of the outer tube, and the drill bit blocks described outer
It manages and offers the drain hole for being connected to the annular chamber and external environment on the annular chamber between said inner tube and the drill bit；
Wherein, the deflector hole of the inside and the annular chamber that are connected to the connector, institute are offered on the fixed baffle
State the drainage hole of inside and external environment that connection said inner tube is also provided on fixed baffle.
Preferably, the two-tube rock core core drill of the band inside spin further includes blocker ring, and the blocker ring is set to described
Between inner tube and the drill bit, can prevent the rock core entered in said inner tube from dropping out.
Preferably, the blocker ring includes the clamping ring being arranged between said inner tube and the drill bit and is set to described
The more valves being clamped on ring stop valve, and blocking valve described in more valves stops along the circumferentially-spaced distribution for being clamped ring, and described in more valves
The free end of valve is mutually drawn close in said inner tube.
(3) beneficial effect
The beneficial effects of the present invention are: firstly, internal tube is equipped with spirally-guided item, rotary orientation and drilling tool direction of rotation
Form upward conveying direction；Such as when the hand of spiral is clockwise direction, when drilling tool rotates clockwise, the spirally-guided of inner tube
Item has upward conveying capacity to rock core, to efficiently solve the problems, such as rock core blocking in drilling pipe.
Secondly, after the deflector hole of transmission baffle or fixed baffle shunts, entering from the flushing liquor that connector imports
In annular chamber between inner and outer tubes, flowed out among away drill cuttings using the drain hole of drill bit, due to being deposited among drill bit
In deflector hole, flushing liquor is rinsed from interior to drills outer circumference side, to promote the drilling efficiency of drilling tool.Inner tube by transmission baffle with
Outer tube rotation connection or fixed baffle are connect with rigid outer tube, and after rock core enters inner tube, the water of inner tube is discharged by drainage hole
Outside drilling tool, the effective content of rock core when promoting single coring also can guarantee the integrality of rock core.Wherein, deflector hole and draining
Hole is not connected respectively to work, and deflector hole is the interlayer being connected between connector and inner and outer tubes, and drainage hole is connection inner tube
With the outside of drilling tool, thus the water conservancy diversion and drainage strategy that are optimized, to adapt to different coring operating conditions.
Detailed description of the invention
Fig. 1 is a kind of schematic cross-sectional view with the two-tube rock core core drill of inside spin of the invention；
Fig. 2 is the cutaway enlargement diagram on the top with the two-tube rock core core drill of inside spin in Fig. 1；
Fig. 3 is the cutaway enlargement diagram of the lower part with the two-tube rock core core drill of inside spin in Fig. 1；
Fig. 4 is the schematic cross-sectional view of the inner tube with the two-tube rock core core drill of inside spin in Fig. 1；
Fig. 5 is another schematic cross-sectional view with the two-tube rock core core drill of inside spin of the invention；
Fig. 6 is the cutaway enlargement diagram on the top with the two-tube rock core core drill of inside spin in Fig. 5；
Fig. 7 is the enlarged diagram of the planetary gear set in Fig. 5.
[description of symbols]
100,101: the band two-tube rock core core drill of inside spin；1: connector；2: fixed baffle；21,81: substrate；22,
82: mounting ring；23: deflector hole；24: drainage hole；3: outer tube；31: annular chamber；4: inner tube；41: spirally-guided item；5: reamer；
6: blocker ring；61: clamping ring；62: stopping valve；7: drill bit；71: drain hole；711: Drainage Section；712: diversion canal；8: transmission is led
Flow block；83: ring gear；84: sun gear；85: planetary gear.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1 to Figure 3, the present invention provides a kind of two-tube rock core core drill 100 of band inside spin comprising connector 1,
Outer tube 3, fixed baffle 2, inner tube 4 and drill bit 7, wherein connector 1 is in a tubular form；Outer tube 3 is docked with connector 1；Fixed baffle
2 are fixedly installed in outer tube 3 and are arranged close to connector 1；Inner tube 4 is fixedly installed on fixed baffle 2 and is sheathed on outer tube 3
It is interior, spirally-guided item 41 is provided on the inner surface of inner tube 4；Drill bit 7 is in a tubular form and abutting joint is on the free end of outer tube 3,
Drill bit 7 blocks and offers the row for being connected to annular chamber 31 Yu external environment on the annular chamber 31 between outer tube 3 and inner tube 4 and drill bit 7
Discharge orifice 71.Also, the inside of connection connector 1 and the deflector hole 23 of annular chamber 31 are offered on fixed baffle 2, fixed baffle
The inside of connection inner tube 4 and the drainage hole 24 of external environment are also provided on 2.Wherein, outer tube 3, fixed baffle 2 and inner tube 4
It is mutually fixedly mounted each other, coring equipment can be followed to carry out whole driving and outer tube 3 is made to synchronously rotate with inner tube 4.
Firstly, equipped with spirally-guided item 41, rotary orientation and with the two-tube rock core core drill 100 of inside spin inside inner tube 4
Direction of rotation forms upward conveying direction；Such as when the hand of spiral is the band two-tube rock of inside spin clockwise (referring to fig. 4)
When heart core drill 100 rotates clockwise, the spirally-guided item 41 of inner tube 4 has upward conveying capacity to rock core, thus effectively
Solves the problems, such as rock core blocking in drilling pipe.Alternatively, when the hand of spiral of spirally-guided item 41 is counterclockwise, with interior spiral shell
When revolving two-tube rock core core drill 100 and rotating counterclockwise, the spirally-guided item 41 of inner tube 4 also has upward conveying capacity to rock core.
Secondly, from the flushing liquor that connector 1 imports, after the deflector hole 23 of fixed baffle 2 shunts, into 4 He of inner tube
It in annular chamber 31 between outer tube 3, is flowed out from drill bit 7 using the drain hole 71 of drill bit 7, since there are water conservancy diversion on drill bit 7
Hole 23, flushing liquor is rinsed from interior to the outer periphery of drill bit 7, to promote the drilling efficiency of drilling tool.Inner tube 4 passes through fixed baffle 2
It being rigidly connected with outer tube 3, after rock core enters inner tube 4, the drainage hole 24 that the water of inner tube 4 passes through fixed baffle 2 is discharged outside drilling tool,
The effective content of rock core when promoting single coring, also can guarantee the integrality of rock core.Wherein, the water conservancy diversion on fixed baffle 2
Hole 23 with drainage hole 24 is not connected respectively works, deflector hole 23 is the interlayer being connected between connector 1 and inner tube 4 and outer tube 3,
Drainage hole 24 is the outside for being connected to inner tube 4 and drilling tool, thus the water conservancy diversion and drainage strategy that are optimized, to adapt to different corings
Operating condition.
In order to preferably promote acquisition rock core, and prevent the rock core entered in inner tube 4 from dropping out again, the band two-tube rock of inside spin
Heart core drill 100 can also include blocker ring 6, and as shown in figures 1 and 3, blocker ring 6 is set between inner tube 4 and drill bit 7,
Can prevent the rock core entered in inner tube 4 from dropping out.Wherein, blocker ring 6 is specifically arranged in the lower end surface of inner tube 4 in the axial direction
Between the annular step tread in drill bit 7, receives to squeeze up and down and fix, to guarantee the stability of installation, without taking
It falls off in the high-speed rotation of heart work.
Wherein, referring again to Fig. 3, blocker ring 6 may include the clamping ring 61 being arranged between inner tube 4 and drill bit 7 and set
The more valves being placed on clamping ring 61 stop valve 62, and more valves stop valve 62 along the circumferentially-spaced distribution of clamping ring 61, and more valves stop
The free end of valve 62 is mutually drawn close in inner tube 4.Valve 62 is stopped to extend to form petal-like structures along camber line, and more valves stop valve 62
Extend toward upper in inner tube 4, petal shape is collectively formed.When rock core enters from drill bit 7, it can squeeze from bottom to top and stop valve
62, and more valves of petal shape is made to stop valve 62 in opened condition, after obstruction of the rock core by blocking valve 62, more valves stop valves
62 are restored to petal shape again, so as to prevent the rock core entered in inner tube 4 from dropping out again, to improve rock core coring
Efficiency is also able to ascend the integrality of rock core coring.
Further, as shown in Fig. 2, fixed baffle 2 includes substrate 21 and the peace being set on 21 one side of substrate
Ring 22 is filled, one end of inner tube 4 is installed in mounting ring 22.Wherein, the periphery of substrate 21, which can adaptedly block to set, is installed on outer tube 3
It is interior, or fixed baffle 2 and outer tube 3 or integrated molding.In a preferred embodiment, positioned at 21 downside of substrate
Internal screw thread is provided in mounting ring 22, the upper end of inner tube 4 is threadedly coupled with mounting ring 22, and the lower end of connector 1 is also equipped with outer spiral shell
Line, and the upper end of outer tube 3 can be connect with the lower thread of connector 1.Alternatively, in other embodiments, the upper end of inner tube 4 with
The upper end of the perhaps outer tube 3 of mounting ring 22 can also pass through fastener connection or welding etc. with the lower end of connector 1.
In addition, the edge of substrate 21 has diversion trench, diversion trench and outer tube 3 cooperatively form deflector hole 23 (referring to fig. 2),
Wherein, the quantity of deflector hole 23 can be at least one, and multiple deflector holes 23 are spaced apart；Meanwhile the quantity of drainage hole 24
Or it is multiple, and multiple drainage holes 24 be spaced apart in mounting ring 22, offered on outer tube 3 it is corresponding with drainage hole 24 company
Logical intercommunicating pore.Wherein, on the projection plane perpendicular to the axis with the two-tube rock core core drill 100 of inside spin, deflector hole
23 will not be overlapped with drainage hole 24, to prevent the flow path of flushing liquor and the drainage flow path of inner tube 4 from interfering, to make flushing liquor
Flow path and inner tube 4 drainage flow path it is completely mutually indepedent.
In addition, as shown in figure 3, the internal diameter of spirally-guided item 41 is greater than or equal to the internal diameter of drill bit 7.Spiral shell inside inner tube 4
The cutting internal diameter that the internal diameter that gib block 41 is formed is not less than drill bit 7 is revolved, such as the scale in Fig. 3, d1 >=d2.Such setting can make
The band two-tube rock core core drill 100 of inside spin reduces the downward reaction fed back by spirally-guided item 41 in rotary course
Power, and there are enough spaces to come into the rock core in inner tube 4 in inner tube 4, so that coming into the rock core in inner tube 4
The rock core for entering inner tube 4 from drill bit 7 can be lesser extent squeezed, to reduce the resistance that rock core enters from drill bit 7 in inner tube 4
Hinder, moreover, the internal diameter of drill bit 7 is smaller, additionally it is possible to prevent the rock core come into inner tube 4 from dropping out again to a certain extent
Come.
Referring again to Fig. 2, reamer 5 is provided on the outer surface of outer tube 3, drill bit 7 is installed on outer tube 3 by reamer 5
On, being more firmly mounted for drill bit 7 can be made.Moreover, reamer 5 cooperates the aperture that drilling can be corrected when the use of drill bit 7, with
The abrasion of anti-drill bit 7 and less than bottom hole or be squeezed bad under green bit 7 that while causing bore diameter to reduce is replaced.In addition, reamer 5 is also
It can play the role of stable and righting with the two-tube rock core core drill 100 of inside spin.
Further, referring again to Fig. 3, in a preferred embodiment, the quantity of drain hole 71 is multiple, and multiple rows
Discharge orifice 71 is along the circumferentially-spaced tube wall for being distributed in drill bit 7 of drill bit 7.By multiple drain holes 71 in the band two-tube rock core of inside spin
Simultaneously to rock core jet douche liquid in 100 rotary course of core drill, it is possible to reduce clamping stagnation of the drill bit 7 in boring procedure, with
The drilling efficiency of the two-tube rock core core drill 100 of elevator belt inside spin.
Wherein, drain hole 71 may include Drainage Section 711 and diversion canal 712, the extending direction and drill bit 7 of Drainage Section 711
Axial parallel and connection annular chamber 31 and diversion canal 712, diversion canal 712 be distributed in the free end face of drill bit 7 and along drill bit 7
Extend radially to the outer surface of drill bit 7.Drainage Section 711 can will introduce from connector 1 and flow through the flushing liquor guiding of annular chamber 31
Diversion canal 712, the extending direction of Drainage Section 711 are that bend is no longer arranged (referring to the orientation of Fig. 3) straight down, so as to
Keep the flowing of flushing liquor more smooth.And diversion canal 712 is semi-open structure type, that is, flushing liquor can be from the bottom of drill bit 7
Portion sprays downwards, can also spray along the radially outward side of drill bit 7, in two-tube 100 high speed of rock core core drill of band inside spin
Under the action of centrifugal force in rotary course, the flushing liquor that both direction sprays will form being sprayed for continuous spiral, to mention
Rise the flushing effect to rock core.
It below will be by taking outer tube 3, fixed baffle 2 and inner tube 4 be fixed installation mode as an example, to band inside spin of the invention
The course of work of two-tube rock core core drill 100 is described in detail, to further illustrate the technical scheme of the present invention.
Firstly, will be installed on coring equipment with the two-tube rock core core drill 100 of inside spin by connector 1, coring equipment
The band two-tube rock core core drill 100 of inside spin is driven to be rotated integrally (3 synchronous rotary of inner tube 4 and outer tube) and gradually moved again
To close to rock core；When drill bit 7 is close to rock core, start to be passed through flushing liquor from connector 1 to drill bit 7, flushing liquor can spray to rock core, side
Drill bit 7 is helped to carry out core hole.
Then, entered in inner tube 4 by the blocking that the rock core that drill bit 7 captures can break through blocker ring 6, and in spirally-guided item 41
Be delivered up under the action of power, be gradually delivered up, until reach near fixed baffle 2, and the water of rock core institute band can
To be expelled to outside outer tube 3 from drainage hole 24.Persistently carry out above-mentioned movement, until rock core fills up in inner tube 4, later coring equipment to
The band two-tube rock core core drill 100 of inside spin is removed in upper promotion, completes rock core coring work.
Further, as shown in Figure 5 and Figure 6, the present invention also provides another band two-tube rock core core drills of inside spin
101, specifically comprising connector 1, outer tube 3, transmission baffle 8, inner tube 4 and drill bit 7, wherein connector 1 is in a tubular form；Outer tube
3 dock with connector 1；Transmission baffle 8 is set in outer tube 3 and is arranged close to connector 1；Inner tube 4 is arranged by being driven baffle 8
In in outer tube 3 and inner tube 4 and outer tube 3 are relatively rotatable to each other, spirally-guided item 41 is provided on the inner surface of inner tube 4；Drill bit 7 is in
In on the free end of outer tube 3, drill bit 7 is blocked on the annular chamber 31 between outer tube 3 and inner tube 4 and drill bit 7 for tubulose and abutting joint
Offer the drain hole 71 of connection annular chamber 31 and external environment.Also, it is driven and offers the interior of connection connector 1 on baffle 8
The deflector hole (identical as the deflector hole 23 with the two-tube rock core core drill 100 of inside spin) in portion and annular chamber 31 is driven baffle 8
On be also provided with connection inner tube 4 inside and external environment drainage hole (with the row with the two-tube rock core core drill 100 of inside spin
Water hole 24 is identical).Wherein, outer tube 3 is rotatablely installed each other with 4 phase of inner tube, can make connecting tube of the driving mechanism by multi-layer
It is separately connected outer tube 3 or inner tube 4, so that outer tube 3 is relatively rotatable to each other with inner tube 4.It should be noted that provided by the invention one
Plant all structures and effect having with the two-tube rock core core drill 100 of inside spin and another band two-tube rock core of inside spin
The structure and effect of core drill 101 are essentially identical, and difference is only in that the structure of fixed baffle 2 with transmission baffle 8
It is different with working principle.
Wherein, referring again to Fig. 6, it is driven the installation that baffle 8 may include substrate 81, be set on 81 one side of substrate
Ring 82 and the planetary gear set being set in mounting ring 82 (not indicating), substrate 81 are fixedly installed in outer tube 3, inner tube 4
One end is rotatablely installed by planetary gear set in mounting ring 82.Since each component inside planetary gear set opposite can turn
It is dynamic, outer tube 3 is respectively arranged on the different internal parts of planetary gear set from inner tube 4, outer tube 3 and inner tube 4 can also be made real
Now relatively rotate.In addition, in other implementations, planetary gear can also be replaced with bearing or other feasible mechanisms
Group.When outer tube 3 is rotatablely installed each other with 4 phase of inner tube, driving mechanism can be made to be separately connected by the connecting tube of multi-layer outer
Pipe 3 or inner tube 4, so that outer tube 3 is relatively rotatable to each other with inner tube 4.
Specifically, in a preferred embodiment, as shown in fig. 7, planetary gear set includes ring gear 83 and ring gear 83
The sun gear 84 of coaxial arrangement, rotational installation on substrate planet carrier and by planet carrier be set to ring gear 83 with too
Multiple planetary gears 85 between positive gear 84, planetary gear 85 are engaged with ring gear 83, sun gear 84 respectively, ring gear 83
It is fixedly installed in mounting ring 82, inner tube 4 is fixedly installed on sun gear 84.In planetary gear set, 84 He of sun gear
Ring gear 83 can be rotated based on different revolving speeds, to realize that the different rotating speeds of outer tube 3 and inner tube 4 rotate, in elevator belt
The coring efficiency of spiral double-pipe rock core core drill 101.
It is to be appreciated that describing the skill simply to illustrate that of the invention to what specific embodiments of the present invention carried out above
Art route and feature, its object is to allow those skilled in the art to can understand the content of the present invention and implement it accordingly, but
The present invention is not limited to above-mentioned particular implementations.All various changes made within the scope of the claims are repaired
Decorations, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of two-tube rock core core drill of band inside spin, which is characterized in that the two-tube rock core core drill packet of band inside spin
It includes:
Connector, the connector is in a tubular form；
Outer tube, the outer tube are docked with the connector；
It is driven baffle, the transmission baffle is set in the outer tube and is arranged close to the connector；
Inner tube, said inner tube is sheathed in the outer tube by the transmission baffle and said inner tube and the outer tube being capable of phases
To rotation, spirally-guided item is provided on the inner surface of said inner tube；And
Drill bit, the drill bit is in a tubular form and abutting joint is on the free end of the outer tube, the drill bit block the outer tube with
The drain hole for being connected to the annular chamber and external environment is offered on annular chamber and the drill bit between said inner tube；
Wherein, the deflector hole for being connected to the inside and the annular chamber of the connector, the biography are offered on the transmission baffle
The inside of connection said inner tube and the drainage hole of external environment are also provided on dynamic baffle.
2. the band two-tube rock core core drill of inside spin as described in claim 1, it is characterised in that: the transmission baffle includes
Substrate, the mounting ring being set on the substrate one side and the planetary gear set being set in the mounting ring, the base
Plate is fixedly installed in the outer tube, and one end of said inner tube is rotatablely installed by the planetary gear set in the mounting ring
It is interior.
3. the band two-tube rock core core drill of inside spin as claimed in claim 2, it is characterised in that: the planetary gear set includes
Ring gear in the planet carrier on the substrate and passes through row with the sun gear of ring gear coaxial arrangement, rotational installation
Carrier is set to multiple planetary gears between the ring gear and the sun gear, the planetary gear respectively with it is described interior
Gear ring, sun gear engagement, the ring gear are fixedly installed in the mounting ring, and said inner tube is fixedly installed in described
On sun gear.
4. the band two-tube rock core core drill of inside spin as claimed in claim 2, it is characterised in that: the edge of the substrate
There is diversion trench, the diversion trench and the outer tube cooperatively form the deflector hole；
And/or the quantity of the drainage hole is multiple, and multiple drainage holes are spaced apart in the mounting ring, it is described
The intercommunicating pore of connection corresponding with the drainage hole is offered on outer tube.
5. such as the two-tube rock core core drill of band inside spin of any of claims 1-4, it is characterised in that: the spiral
The internal diameter of gib block is greater than or equal to the internal diameter of the drill bit.
6. such as the two-tube rock core core drill of band inside spin of any of claims 1-4, it is characterised in that: the outer tube
Outer surface on be provided with reamer, the drill bit is installed on the outer tube by the reamer.
7. such as the two-tube rock core core drill of band inside spin of any of claims 1-4, it is characterised in that: the drainage
The quantity in hole is multiple, and multiple drain holes are along the circumferentially-spaced tube wall for being distributed in the drill bit of the drill bit；
And/or the drain hole includes Drainage Section and diversion canal, the extending direction of the Drainage Section and the axial direction of the drill bit are flat
It goes and is connected to the annular chamber and the diversion canal, the diversion canal is distributed in the free end face of the drill bit and along the drill bit
The outer surface for extending radially to the drill bit.
8. a kind of two-tube rock core core drill of band inside spin, which is characterized in that the two-tube rock core core drill packet of band inside spin
It includes:
Connector, the connector is in a tubular form；
Outer tube, the outer tube are docked with the connector；
Fixed baffle, the fixed baffle are fixedly installed in the outer tube and are arranged close to the connector；
Inner tube, said inner tube are fixedly installed on the fixed baffle and are sheathed in the outer tube, the interior table of said inner tube
Spirally-guided item is provided on face；And
Drill bit, the drill bit is in a tubular form and abutting joint is on the free end of the outer tube, the drill bit block the outer tube with
The drain hole for being connected to the annular chamber and external environment is offered on annular chamber and the drill bit between said inner tube；
Wherein, the deflector hole of the inside and the annular chamber that are connected to the connector is offered on the fixed baffle, it is described solid
Determine the inside that connection said inner tube is also provided on baffle and the drainage hole of external environment.
9. the band two-tube rock core core drill of inside spin as claimed in claim 8, it is characterised in that: the two-tube rock of band inside spin
Heart core drill further includes blocker ring, and the blocker ring is set between said inner tube and the drill bit, can prevent from entering
Rock core in said inner tube drops out.
10. the band two-tube rock core core drill of inside spin as claimed in claim 9, it is characterised in that: the blocker ring includes card
Clamping ring between said inner tube and the drill bit and the more valves being set on the clamping ring stop valve, hinder described in more valves
Valve is kept off along the circumferentially-spaced distribution of the clamping ring, and stops the free end of valve mutually to be drawn close in said inner tube described in more valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662944.8A CN110500057B (en) | 2019-07-22 | 2019-07-22 | Core drilling tool with internal spiral double tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662944.8A CN110500057B (en) | 2019-07-22 | 2019-07-22 | Core drilling tool with internal spiral double tubes |
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| CN110500057B CN110500057B (en) | 2022-02-01 |
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